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Finding the Fourth Proportional to 73,780.70, 101,826.51 and 45,094.46

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Solution

The fourth proportional to 73,780.70, 101,826.51 and 45,094.46 is: 62,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.70 : 101,826.51 = 45,094.46 : x
  2. Step 2: Convert to fraction form
    73,780.70/101,826.51 = 45,094.46/x
  3. Step 3: Cross multiply
    73,780.70x = 101,826.51 × 45,094.46
  4. Step 4: Simplify right side
    73,780.70x = 4,591,811,482.13
  5. Step 5: Solve for x
    x = 4,591,811,482.13/73,780.70
  6. Step 6: Final answer
    x = 62,235.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.